Daily ReportNov 2, 2026
Anesthesiology, November 2 edition
We read 40 papers and selected 3.
Summary
Today’s most impactful studies identified clinically actionable strategies to reduce unnecessary anesthesia exposure, improve airway management training, and preserve intraoperative neurophysiological monitoring. The strongest evidence came from a randomized noninferiority trial showing that mildly displaced pediatric distal radius fractures can be immobilized without reduction, and randomized or multicentre comparative studies evaluating anesthetic and airway-management strategies.
Research Themes
- Avoidance of unnecessary general anesthesia in pediatric trauma care
- Optimization of airway management training with videolaryngoscopy
- Anesthetic adjuncts that preserve intraoperative neurophysiological monitoring
Selected Articles
1. Casting Without Reduction Versus Reduction With or Without Fixation for Mildly Displaced Pediatric Distal Radius Metaphyseal Fractures: A Randomized Noninferiority Trial.
In this randomized open-label noninferiority trial, 60 children aged 5–10 years with mildly displaced distal radius metaphyseal fractures were assigned to immobilization without reduction or closed reduction under general anesthesia, with or without fixation. At 6 months, upper-extremity function was virtually identical between groups, with a mean difference of -0.03 PROMIS Pediatric Upper Extremity T-score points and a 95% confidence interval of -4.71 to 4.65. Two anesthetic-related complications occurred in the reduction group, while no serious adverse events occurred in the non-reduction group.
Impact: This study directly challenges routine reduction under general anesthesia for a common pediatric fracture pattern. Its randomized noninferiority design supports a simpler treatment pathway that may reduce anesthesia exposure, procedural burden, cost, and healthcare resource use.
Clinical Implications: For children aged 5–10 years with isolated mildly displaced distal radius metaphyseal fractures, immobilization without reduction may be appropriate when shortening is 10 mm or less and/or angulation is 10–20 degrees. This approach could avoid unnecessary general anesthesia, but careful patient selection and radiographic follow-up remain essential.
Key Findings
- Sixty children were randomized, and primary outcome data were available for 59 participants.
- The mean 6-month PROMIS Pediatric Upper Extremity scores were 45.59 without reduction and 45.62 after reduction under general anesthesia.
- The mean between-group difference was -0.03 points, with a 95% confidence interval of -4.71 to 4.65, meeting the prespecified noninferiority margin.
- No serious adverse events occurred in the immobilization-without-reduction group, whereas two anesthetic-related complications occurred in the reduction group.
Methodological Strengths
- Randomized noninferiority design with a prespecified functional outcome and noninferiority margin.
- Patient-reported upper-extremity function was assessed at a clinically relevant 6-month time point.
Limitations
- The sample size was modest, with 60 randomized children from a tertiary pediatric orthopaedic hospital.
- The trial was open-label and focused on selected mildly displaced fractures, limiting generalizability to more unstable or severely displaced injuries.
Future Directions: Larger multicentre pragmatic trials should evaluate broader fracture patterns, longer-term radiographic remodeling, patient and caregiver preferences, and healthcare costs. Studies should also define radiographic thresholds and follow-up strategies that safely support non-reduction management.
OBJECTIVE: To determine whether immobilization without reduction is noninferior to closed reduction under general anesthesia, with or without fixation, with respect to upper-extremity function at 6 months in children with mildly displaced distal radius metaphyseal fractures. METHODS: We conducted a randomized, open-label, noninferiority trial at a tertiary pediatric orthopaedic hospital. Children aged 5 to 10 years with unilateral mildly displaced distal radius metaphyseal fractures were assigned to immobilization without reduction or closed reduction under general anesthesia, with or without fixation.
2. Dexmedetomidine versus sevoflurane as adjuncts to propofol-fentanyl anesthesia during major spine surgery with somatosensory and motor evoked potential monitoring: a randomized controlled trial.
This prospective randomized trial enrolled 135 adults undergoing spinal fusion for idiopathic scoliosis and compared propofol-fentanyl total intravenous anesthesia with dexmedetomidine or sevoflurane adjuncts. Dexmedetomidine did not significantly alter somatosensory or motor evoked-potential monitoring, reduced propofol use by 25.9% and fentanyl use by 57.7%, and was associated with the lowest blood loss. Sevoflurane caused dose-dependent suppression of evoked-potential amplitudes even at sub-minimum alveolar concentration doses.
Impact: The study addresses a practical conflict between reliable neurophysiological monitoring and opioid-sparing anesthesia. It provides randomized evidence that dexmedetomidine may be a useful adjunct for major spine surgery while warning that even low-dose sevoflurane can compromise evoked-potential interpretation.
Clinical Implications: Dexmedetomidine may be considered as an adjunct to propofol-fentanyl anesthesia when somatosensory and motor evoked-potential monitoring is required. Sevoflurane should be used cautiously in this setting, with attention to dose-related suppression of evoked-potential amplitudes and the risk of obscuring neurological changes.
Key Findings
- Among 135 randomized adults, dexmedetomidine did not significantly affect clinically important somatosensory or motor evoked-potential changes compared with control.
- Dexmedetomidine reduced propofol consumption by 25.9% and fentanyl consumption by 57.7%.
- The dexmedetomidine group had the lowest intraoperative blood loss, approximately 552 ± 171 mL.
- Sevoflurane produced dose-dependent reductions in evoked-potential amplitude, with an adjusted odds ratio of 4.82 per 0.10 minimum alveolar concentration increase.
Methodological Strengths
- Prospective randomized allocation among three clinically relevant anesthetic strategies.
- The study assessed electrophysiological, anesthetic-consumption, hemodynamic, surgical, emergence, and postoperative outcomes.
Limitations
- The study was conducted in adults undergoing spinal fusion for idiopathic scoliosis, limiting applicability to other spinal procedures and patient populations.
- The authors characterize the findings as hypothesis-generating, and longer-term multicentre validation is needed.
Future Directions: Future multicentre trials should evaluate neurological outcome sensitivity, standardized evoked-potential thresholds, dose-response relationships for dexmedetomidine and volatile anesthetics, and recovery outcomes in diverse spine-surgery populations.
BACKGROUND: Intraoperative neurophysiological monitoring (IONM) reduces neurological risk during major spine surgery. Total intravenous anesthesia (TIVA) is generally preferred for IONM; however, the effects of dexmedetomidine and volatile adjuncts on evoked potential (EP) monitoring during propofol-based anesthesia remain inadequately characterized. METHODS: This prospective randomized trial enrolled 135 adults undergoing spinal fusion for idiopathic scoliosis. Patients were allocated to propofol-fentanyl TIVA, propofol-fentanyl-dexmedetomidine anesthesia, or propofol-fentanyl-sevoflurane.
3. Universal videolaryngoscopy and intubation outcomes in anaesthesia trainees: A subanalysis of the multicentre VIDEOLAR-SURGERY trial.
This prospective multicentre before-and-after subanalysis included 1,801 trainee-performed intubations across eight hospitals. Universal first-intention use of a McGrath MAC videolaryngoscope increased easy intubation from 69.3% to 83.1% and first-attempt success from 77.0% to 87.9%, while improving glottic visualization and reducing adjunct use, operator change, and complications. Benefits were consistent among both junior and senior trainees.
Impact: The study evaluates a system-level educational intervention rather than a highly selected difficult-airway scenario. Its large multicentre sample suggests that universal videolaryngoscopy may improve routine trainee performance and patient safety while creating shared airway visualization for supervision.
Clinical Implications: Training programs may consider videolaryngoscopy as the default first-intention device for trainee intubations, provided that trainees also maintain competence in direct laryngoscopy and that equipment availability, cost, and appropriate supervision are addressed.
Key Findings
- The analysis included 1,801 trainee-performed intubations: 857 before and 944 after universal videolaryngoscopy adoption.
- Easy intubation increased from 69.3% with direct laryngoscopy to 83.1% with videolaryngoscopy.
- First-attempt success increased from 77.0% to 87.9%, and favourable glottic visualization increased from 84.9% to 91.5%.
- Improvements were observed in both junior and senior trainees, with reductions in adjunct use, operator change, and complications.
Methodological Strengths
- Large prospective multicentre dataset involving eight hospitals and routine operating-room practice.
- The study assessed clinically meaningful procedural outcomes, including first-attempt success, visualization, adjunct use, operator change, and complications.
Limitations
- The before-and-after non-randomized design is susceptible to temporal trends, learning effects, and changes in case mix or supervision.
- The study was conducted in eight hospitals in Northwest Spain and evaluated one videolaryngoscope model, which may limit generalizability.
Future Directions: Cluster-randomized or stepped-wedge trials should confirm the effect of universal videolaryngoscopy while evaluating cost-effectiveness, long-term skill retention, direct-laryngoscopy competence, difficult-airway outcomes, and patient-centered safety endpoints.
Tracheal intubation is a core procedural skill in anaesthesia training. Videolaryngoscopy provides improved glottic visualisation and shared airway views, but its effect on trainee-performed intubations in routine clinical practice remains uncertain. This subanalysis of a prospective, multicentre, non-randomised before-and-after study evaluated whether adopting videolaryngoscopy as the universal first-intention device improved intubation performance among anaesthesia trainees. Eight hospitals in Northwest Spain contributed 1801 trainee-performed intubations (857 before and 944 after intervention).